Grupo de meninos de escola e alunas levantando as mãos para responder à pergunta . - Banco de fotos e imagens

Group of schoolboys and schoolgirls rising hands to answer th question.

Group of people take notes, listening to a lecturer or speaker at a conference. Business group meeting seminar training concept. Planning, analysis, collaborate work in teamwork.

Group of schoolgirls and schoolboys teenagers sitting at classroom.

Close up. happy team of medical professionals with hands up . success concept

Asian male speaker is speaking at seminars and workshops to the people in the meeting. Participants are raising their hands to ask questions.

Raised up hands and arms of large group in seminar class room at Conference

Group of unrecognisable young people rising arms on educational training.

Young Man Raising Hand

Man Raising Hand During Lecture

Group of unrecognisable young people rising arms on educational training.

Man Raising Hand During Lecture

Young Businessman Rasing Hand During Presentation

Young Woman Working in Office

Student raising his arm to answer teacher's question.